2011/1/2 Emmanuel Blot <eblot...@gmail.com>:
> Hi,
>
> I've just updated to pyusb-1.0.0a1 and it seems that there is some
> kind of regression on Mac OS X host (64-bit kernel, libusb 1.0.8
> backend):
>
> pyusb100a1 is a virtualenv with pyusb 1.0.0a1 installed:
>
>  File "pyusb100a1/lib/python2.7/site-packages/usb/core.py", line 678,
> in ctrl_transfer
>    self.__get_timeout(timeout)
>  File "pyusb100a1/lib/python2.7/site-packages/usb/_debug.py", line
> 52, in do_trace
>    return f(*args, **named_args)
>  File "pyusb100a1/lib/python2.7/site-packages/usb/backend/libusb10.py",
> line 548, in ctrl_transfer
>    timeout))
>  File "pyusb100a1/lib/python2.7/site-packages/usb/backend/libusb10.py",
> line 357, in _check
>    raise USBError(_str_error[retval.value])
> USBError: Pipe error
>
> with another virtualenv, using pyusb 1.0.0a0, everything works fine.
>
> Any idea ?
>
> Cheers,
> Manu
>
Could you please post the test code?
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-- 
Best Regards,
Wander Lairson Costa
LCoN - Laboratório de Computação Natural - Natural Computing Laboratory
(http://www.mackenzie.com.br/lcon.html)
Programa de Pós-Graduação em Engenharia Elétrica (PPGEE)
Faculdade de Computação e Informática (FCI)
Universidade Presbiteriana Mackenzie - SP - Brazil

------------------------------------------------------------------------------
Learn how Oracle Real Application Clusters (RAC) One Node allows customers
to consolidate database storage, standardize their database environment, and, 
should the need arise, upgrade to a full multi-node Oracle RAC database 
without downtime or disruption
http://p.sf.net/sfu/oracle-sfdevnl
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